180989416 has 32 divisors (see below), whose sum is σ = 349521480. Its totient is φ = 87808000.

The previous prime is 180989401. The next prime is 180989441. The reversal of 180989416 is 614989081.

It can be written as a sum of positive squares in 4 ways, for example, as 159921316 + 21068100 = 12646^2 + 4590^2 .

It is a super-3 number, since 3×180989416³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63216 + ... + 66016.

Almost surely, 2^180989416 is an apocalyptic number.

It is an amenable number.

180989416 is a deficient number, since it is larger than the sum of its proper divisors (168532064).

180989416 is a wasteful number, since it uses less digits than its factorization.

180989416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3045 (or 3041 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 180989416 is about 13453.2306900610. The cubic root of 180989416 is about 565.6542565822.

The spelling of 180989416 in words is "one hundred eighty million, nine hundred eighty-nine thousand, four hundred sixteen".